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Had this problem, the horn is tied into the air bag. you might have a faulty srs unit.
When parts of a car do not work, it is important to know where its fuse is located. The horn fuse in a 1999 Chevy Blazer is located in the fuse box under the driver side dash.
Fixing the horn on this car will depend on what cause it to no longer work. The fuse may need to be replaced, the wiring, or it may be the clock spring.Ê
first poo your pants and eat it hahahaha take that society
could be the starter motor
Start with the simple stuff. First check the fuse, and you can even pull the cover off of the horn relay in the power distribution center and manually activate the relay to see if the horn works. Most likely cause of this is a faulty clockspring. Usually with a faulty clockspring, the airbag light will be on, the cruise control will not work, and the horn will not work. This is very common on these vans.
dexron III should work fine
Under the bonnet/hood in a square plastic lidded box in the top left hand corner of the engine bay.
I had this on an XC70 recently. (The key would turn to get the dashboard lights on, but that was it). The lock was broken and needed to be replaced. But the AA man did manage to force the key to work and this enabled me to use car for a few days awaiting the lock with the same code as before.
then your horn is fine.
If the horn does not work on a 1996 Oldsmobile Ciera, you can replace the horn. Almost any type of horn should be compatible.
The horn doesn't work